Definition of Irvingtonian. Meaning of Irvingtonian. Synonyms of Irvingtonian

- The Irvingtonian North American Land Mammal Age on the geologic timescale is the North American faunal stage according to the North American Land Mammal...
- most of North America. C. leiseyorum was previously described from the Irvingtonian age but is now regarded as an invalid name. All specimens previously...
- synonym of M. inexpectatus. M. inexpectatus ranged from the Blancan to Irvingtonian ages of North America while M. trumani was exclusive to the Rancholabrean...
- North America from the late Hemphillian stage of the Miocene through the Irvingtonian stage of the Pleistocene. It was one of the last surviving North American...
- earlier at the Miocene-Pliocene boundary. Canada Old Crow River, Yukon, Irvingtonian (1.8 - 0.3 Ma) and Middle Pleistocene (0.8 - 0.1 Ma), O cf. whartoni...
- earliest spanning the mid-Blancan (late Pliocene) to the close of the Irvingtonian (late Pleistocene), and coyote remains indistinguishable from C. latrans...
- the Pliocene (early Blancan ~4 Ma), to the Early Pleistocene (early Irvingtonian, ~1.2 Ma). The former South American species have been synonymized with...
- Pleistocene. The Blancan is preceded by the Hemphillian and followed by the Irvingtonian NALMA stages. As usually defined, it corresponds to the mid-Zanclean...
- 000–11,000 years ago). A few fossil specimens have been reported from the Irvingtonian (2.5 million–250,000 years ago) and Blancan (4.75–1.8 million years ago)...
- the early Irvingtonian for both black- and white-tailed prairie dogs, but fossils of prairie dogs are scarce prior to the late Irvingtonian. Goodwin,...